274825849 has 2 divisors, whose sum is σ = 274825850. Its totient is φ = 274825848.

The previous prime is 274825847. The next prime is 274825867. The reversal of 274825849 is 948528472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215150224 + 59675625 = 14668^2 + 7725^2 .

It is a cyclic number.

It is not a de Polignac number, because 274825849 - 2¹ = 274825847 is a prime.

Together with 274825847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (274825843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137412924 + 137412925.

It is an arithmetic number, because the mean of its divisors is an integer number (137412925).

Almost surely, 2^274825849 is an apocalyptic number.

It is an amenable number.

274825849 is a deficient number, since it is larger than the sum of its proper divisors (1).

274825849 is an equidigital number, since it uses as much as digits as its factorization.

274825849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 49.

The square root of 274825849 is about 16577.8722699869. The cubic root of 274825849 is about 650.1584221347.

The spelling of 274825849 in words is "two hundred seventy-four million, eight hundred twenty-five thousand, eight hundred forty-nine".